Home / 158,908.50-238,362.21-99,785.66

Finding the Fourth Proportional to 158,908.50, 238,362.21 and 99,785.66

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Solution

The fourth proportional to 158,908.50, 238,362.21 and 99,785.66 is: 149,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,908.50 : 238,362.21 = 99,785.66 : x
  2. Step 2: Convert to fraction form
    158,908.50/238,362.21 = 99,785.66/x
  3. Step 3: Cross multiply
    158,908.50x = 238,362.21 × 99,785.66
  4. Step 4: Simplify right side
    158,908.50x = 23,785,129,252.10
  5. Step 5: Solve for x
    x = 23,785,129,252.10/158,908.50
  6. Step 6: Final answer
    x = 149,678.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.